Global Patent Index - EP 0402334 B1

EP 0402334 B1 19951102 - Ultraviolet light curable composition and an optical disk base plate incorporating the composition.

Title (en)

Ultraviolet light curable composition and an optical disk base plate incorporating the composition.

Title (de)

Ultraviolettlicht empfindliche Komposition und Trägerplatte für optische Platte mit dieser Zusammensetzung.

Title (fr)

Composition durcissable aux rayons ultraviolets et plaque de base pour disque optique incorporant la composition.

Publication

EP 0402334 B1 19951102 (EN)

Application

EP 90850193 A 19900521

Priority

US 36375689 A 19890609

Abstract (en)

[origin: EP0402334A2] The invention relates to an ultraviolet light curable composition containing an ethoxylated bisphenol A or bisphenol F diacrylate or dimethacrylate; a polyfunctional acrylate or methacrylate, N-vinyl pyrrolidone, a long chain acrylate or methacrylate, and a photoinitiator. It also relates to an optical disc base plate, the grooving layer of which comprises the composition.

IPC 1-7

G11B 7/24; G11B 7/26; G03F 7/031

IPC 8 full level

B32B 27/30 (2006.01); C08F 2/48 (2006.01); C08F 20/10 (2006.01); C08F 26/10 (2006.01); C08F 220/10 (2006.01); C08F 220/18 (2006.01); C08F 220/20 (2006.01); C08F 226/10 (2006.01); C09D 4/00 (2006.01); C09D 4/02 (2006.01); G03F 7/027 (2006.01); G11B 7/24015 (2013.01); G11B 7/2405 (2013.01); G11B 7/2533 (2013.01)

CPC (source: EP US)

G03F 7/027 (2013.01 - EP US); G11B 7/252 (2013.01 - EP US); G11B 7/2531 (2013.01 - EP US); G11B 7/2533 (2013.01 - EP US); G11B 2007/24304 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

US 4948703 A 19900814; CA 2013336 A1 19901209; CA 2013336 C 19950620; DE 69023281 D1 19951207; EP 0402334 A2 19901212; EP 0402334 A3 19910227; EP 0402334 B1 19951102; JP H0335012 A 19910215; JP H0575768 B2 19931021

DOCDB simple family (application)

US 36375689 A 19890609; CA 2013336 A 19900329; DE 69023281 T 19900521; EP 90850193 A 19900521; JP 11779690 A 19900509